@book{246793,
	author = {Marston, Richard C. and ebrary, Inc.},
	title = {Portfolio design},
	publisher = {Wiley,},
	year = {2011.},
	series = {Wiley finance ;},
	address = {Hoboken, N.J. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10444381}
}